/*

 * Copyright (C) 2020-2024 Huawei Technologies Co., Ltd. All rights reserved.

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huaweicloud.common.adapters.web;

import java.io.IOException;
import java.util.List;

import org.springframework.core.Ordered;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;

public class DecorateClientHttpRequestInterceptor implements
    ClientHttpRequestInterceptor, Ordered {
  private static final int ORDER = 10000;

  private final List<PreClientHttpRequestInterceptor> preClientHttpRequestInterceptors;

  private final List<PostClientHttpRequestInterceptor> postClientHttpRequestInterceptors;

  public DecorateClientHttpRequestInterceptor(
      List<PreClientHttpRequestInterceptor> preClientHttpRequestInterceptors,
      List<PostClientHttpRequestInterceptor> postClientHttpRequestInterceptors) {
    this.preClientHttpRequestInterceptors = preClientHttpRequestInterceptors;
    this.postClientHttpRequestInterceptors = postClientHttpRequestInterceptors;
  }

  @Override
  public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution)
      throws IOException {
    if (preClientHttpRequestInterceptors != null) {
      preClientHttpRequestInterceptors.forEach(interceptor -> interceptor.process(request, body));
    }
    ClientHttpResponse clientHttpResponse = execution.execute(request, body);
    if (postClientHttpRequestInterceptors != null) {
      postClientHttpRequestInterceptors.forEach(interceptor -> interceptor.process(clientHttpResponse));
    }
    return clientHttpResponse;
  }

  @Override
  public int getOrder() {
    return ORDER;
  }
}
